<template>
  <div>
      <h2>{{id ? '编辑': '新建'}}广告位</h2>
      <el-form label-width="120px" @submit.native.prevent="save">
        
         <el-form-item label="名称">
            <el-input v-model="model.name" placeholder=""></el-input>
        </el-form-item>
        <el-form-item label="广告">
                <el-button size="small" @click="model.items.push({})">
            <i class="el-icon-plus"></i> 添加广告
          </el-button>
            <el-row type="flex" style="flex-wrap: wrap">
              <el-col  :md="24" v-for="(item, i) in model.items" :key="i">
                <el-form-item label="跳转链接(URL)">
                  <el-input v-model="item.url" ></el-input>
                </el-form-item>
                <el-form-item label="图片" style="margin-top: 0.5rem">
                  <el-upload
                  class="avatar-uploader"
                  :action="uploadUrl"
                  :headers="getAuthHeaders()"
                  :show-file-list="false"
                  :on-success="res => $set(item,'image', res.url)">
                  <img v-if="item.image" :src="item.image" class="avatar">
                  <i v-else class="el-icon-plus avatar-uploader-icon"></i>
                  </el-upload>
                </el-form-item>
                
                <el-form-item>
                  <el-button size="small" type="danger"
                   @click="model.items.splice(i, 1)">删除</el-button>
                </el-form-item>
              </el-col>
            </el-row>
        </el-form-item>
        <el-form-item>
            <el-button type="primary" native-type="submit">保存</el-button>
        </el-form-item>
      </el-form>
  </div>
</template>

<script>
export default {
     props:{
        id:{}
    },
    data(){
        return{
            model: {
                items: []
            },
        }
    },
    methods:{
       async save(){
           let res; // eslint-disable-line no-unused-vars
           if (this.id) {
              res = await this.$http.put(`rest/ads/${this.id}`,this.model) // eslint-disable-line no-unused-vars
           }else{
             res = await this.$http.post('rest/ads',this.model) // eslint-disable-line no-unused-vars
           }
          

          this.$router.push('/ads/list')
          this.$message({
              type: 'success',
              message: '保存成功'
          })
        },
        async fetch(){
            const res = await this.$http.get(`rest/ads/${this.id}`) // eslint-disable-line no-unused-vars

            this.model = Object.assign({},this.model,res.data)

        }
    },
    created(){
        this.id && this.fetch()
    }
}
</script>

<style>

</style>